| Subject | English | German |
| biol. | absorbed dose in free air | Freiluftdosis |
| biol. | absorbed dose in free air | Luftenergiedosis |
| biol. | absorbed dose in free air | Luftdosis |
| biol. | absorbed dose in free air | Freiluft-Energiedosis |
| chem. | air free | luftfrei |
| tech., mater.sc. | air free of visible moisture | ungesättigte Luft |
| chem. | air-free | luftfrei |
| nat.res. | dust-free environmental air | staubfreie Umgebungsluft |
| earth.sc. | exposure in free air | Standardionendosis frei in Luft |
| med.appl. | exposure in free air | Standardionendosis frei Luft |
| transp., avia. | free air | Außenluft |
| commun. | free air | Freifeld |
| life.sc. | free air anomaly | Freiluftanomalie |
| life.sc. | free air anomaly | Anomalie von Faye |
| biol. | free air condition | Freiluftbedingung |
| радиоакт. | free air counter tube | offenes Zählrohr |
| gen. | free air delivery FAD | Luftfördervolumen |
| chem. | free air dose | Luftdosis |
| дозим. | free air dose | Frei-Luft-Dosis |
| дозим. | free air dose | Dosis "frei in Luft" |
| дозим. | free air dose | Freiluftdosis |
| earth.sc., mech.eng. | free air efficiency | ideeller Wirkungsgrad |
| earth.sc. | free air ionisation chamber | offene Luftionisationskammer |
| earth.sc. | free air ionisation chamber | Freiluft-Ionisationskammer |
| радиоакт. | free air ionization chamber | offene Ionisationskammer |
| earth.sc. | free air ionization chamber | Freiluft-Ionisationskammer |
| радиоакт. | free air ionization chamber | offene Luftionisationskammer |
| радиоакт. | free air ionization chamber | normale Ionisationskammer |
| радиоакт. | free air ionization chamber | luftgefüllte Ionisationskammer |
| earth.sc. | free air ionization chamber | offene Luftionisationskammer |
| радиоакт. | free air ionization chamber | Freiluft-Standardkammer |
| радиогр. | free air irradiation | Bestrahlung "frei in Luft" |
| радиогр. | free air irradiation | Freiluftbestrahlung |
| дозим. | free air measurement | Messung "frei in Luft" |
| дозим. | free air measurement | Freiluftmessung |
| gen. | free air space | Totraum (Kurbelkasten) |
| astronaut., transp. | free air temperature indicator | Außenluftthermometer |
| earth.sc., transp. | free air thrust | ideeller Schub |
| tech. | free air volume | freies Volumen |
| mech.eng., construct. | free delivery-type air conditioning unit | Klimageraet mit freiem Ausblas |
| refrig. | free delivery-type air conditioning unit | Klimagerät mit freiem Ausblas |
| chem. | free from air | luftfrei |
| biol. | free in air condition | Freiluftbedingung |
| transp., avia. | free movement of air freight | freier Luftfrachtverkehr |
| phys. | free open-air counter | offenes Zählrohr |
| gen. | free to air FTA television channels | frei empfangbar (Fernsehkanäle) |
| commun. | "free to air" content | "free to air"-Inhalte |
| biol. | free-air absorbed dose | Freiluftdosis |
| biol. | free-air absorbed dose | Luftenergiedosis |
| biol. | free-air absorbed dose | Luftdosis |
| biol. | free-air absorbed dose | Freiluft-Energiedosis |
| mining. | free-air anomaly | Freiluftreduktion (correction, Gravimetrie) |
| mining. | free-air anomaly | Freiluftkorrektur (correction) |
| phys. | free-air counter | offenes Zählrohr |
| meas.inst. | free-air dose | Luftdosis |
| med.appl. | free-air dose | Freiluftdosis |
| gen. | free-air dose | Luftdosis (Radioaktivität) |
| phys. | free-air effect | Freilufteffekt |
| phys. | free-air effect | Faye-Effekt |
| nucl.phys., радиогр. | free-air exposure | Freiluftbestrahlung |
| радиогр. | free-air exposure | Bestrahlung "frei in Luft" |
| meas.inst. | free-air ionization chamber | Freiluftionisationskammer |
| meas.inst. | free-air ionization chamber | offene Luftionisationskammer |
| phys. | free-air ionization chamber | Freiluft-Ionisationskammer |
| el. | free-air measurement | Freiluftmessung |
| phys. | free-air open-air counter | offenes Zählrohr |
| phys. | free-air reduction | Freiluftreduktion |
| phys. | free-air reduction | Faye-Reduktion |
| astr. | free-air reduction | Fayereduktion |
| earth.sc. | free-air tunnel | freier Lufttunnel |
| mech.eng., construct. | free-blow air conditioner | Klimageraet mit freiem Ausblas |
| refrig. | free-blow air conditioner | Klimagerät mit freiem Ausblas |
| mech.eng., construct. | free-into-air orifice | Freifall-Auslassrohr |
| transp. | free-riding air cushion vehicle | nicht spurgebundenes Luftkissenfahrzeug |
| transp. | free-riding air cushion vehicle | nichtspurgebundenes Luftkissenfahrzeug |
| commun. | free-to-air | frei empfangbar |
| commun. | free-to-air | frei zugänglich |
| gen. | free-to-air FTA, television channels | frei empfangbar Fernsehkanäle |
| nat.res. | hot-air free jet | Warmluft-Freistrahl |
| tech. | installation in free air | Verlegung in Luft |
| nucl.phys., радиоакт. | parallel-plate free-air chamber | Parallelplatten-Standardkammer |
| радиоакт. | parallel-plate free-air chamber | Parallelplatten-Freiluftkammer |
| радиоакт. | parallel-plate free-air chamber | Freiluft-Parallelplatten-Standardkammer |
| tech. | pool free air volume | Kondensationskammer-Luftbereich |
| health. | Swiss Society for a smoke-free air and against tobacco addiction | pro aere |
| health. | Swiss Society for a smoke-free air and against tobacco addiction | Schweizerische Gesellschaft für Rauchfreie Luft und gegen die Tabaksucht |
